remove image handling support

test/test_function_image.py

@@ -1,50 +0,0 @@
-#!/usr/bin/python
-"""tests for the image printing function
-
-:author: `Patrick Kanzler <patrick.kanzler@fablab.fau.de>`_
-:organization: `python-escpos <https://github.com/python-escpos>`_
-:copyright: Copyright (c) 2016 `python-escpos <https://github.com/python-escpos>`_
-:license: GNU GPL v3
-"""
-
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
-from nose.tools import with_setup
-
-import escpos.printer as printer
-import os
-
-devfile = 'testfile'
-
-def setup_testfile():
-    """create a testfile as devfile"""
-    fhandle = open(devfile, 'a')
-    try:
-        os.utime(devfile, None)
-    finally:
-        fhandle.close()
-
-def teardown_testfile():
-    """destroy testfile again"""
-    os.remove(devfile)
-
-@with_setup(setup_testfile, teardown_testfile)
-def test_function_image_with_50x50_png():
-    """test the image function with 50x50.png (grayscale png)"""
-    instance = printer.File(devfile=devfile)
-    instance.image("test/50x50.png")
-
-@with_setup(setup_testfile, teardown_testfile)
-def test_function_image_with_255x255_png():
-    """test the image function with 255x255.png (grayscale png)"""
-    instance = printer.File(devfile=devfile)
-    instance.image("test/255x255.png")
-
-@with_setup(setup_testfile, teardown_testfile)
-def test_function_image_with_400x400_png():
-    """test the image function with 400x400.png (grayscale png)"""
-    instance = printer.File(devfile=devfile)
-    instance.image("test/400x400.png")